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# The data collected by weather airplanes that fly into the

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Senior Manager
Joined: 29 Dec 2017
Posts: 388
Location: United States
Concentration: Marketing, Technology
GMAT 1: 630 Q44 V33
GMAT 2: 690 Q47 V37
GMAT 3: 710 Q50 V37
GPA: 3.25
WE: Marketing (Telecommunications)
Re: The data collected by weather airplanes that fly into the  [#permalink]

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07 Jul 2018, 14:36
Dear experts,

Why we don't use here any conjunctions? In case of elipsis we omit common words, but we always have conjuction. What is the structure being used here? Thanks
Intern
Joined: 31 Jan 2015
Posts: 11
Location: United States
Concentration: Entrepreneurship, General Management
GPA: 3.23
WE: Information Technology (Computer Software)
Re: The data collected by weather airplanes that fly into the  [#permalink]

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09 Jul 2018, 06:18
The data collected by weather airplanes that fly into the heart of a hurricane are useful mainly for gauging the storm’s structure and strength, not for the speed and the path of their movement.

The question has been answered multiple time, but let's not focus on grammar, parallelism and other GMAT trick, and try to analyse the question entirely from meaning perspective one more time with me.

Analysis 1:

The data collected by weather airplanes that fly into the heart of a hurricane are useful mainly for gauging the storm’s structure and strength, not for the speed and the path of their movement.

Let's focus on non-underlined portion -
The data are useful for SOMETHING - we need to figure out what is that SOMETHING now.

That SOMETHING is "gauging/measuring/calculating the storm’s structure and strength, not gauging/measuring/calculating the speed and the path

Hence, The data are useful for gauging the storm’s structure and strength, not the speed and the path

Analysis 2:

The data collected by weather airplanes that fly into the heart of a hurricane are useful mainly for gauging the storm’s structure and strength, not for the speed and the path of their movement.

Let's focus on non-underlined portion -
The data are useful - now we need to see what comes after useful.

If we consider the first part where "data are useful FOR gauging the storm’s structure and strength", in the second part we should write - "data are not useful FOR <GAUGING/MEASURING/CALCULATING> the speed and the path".

Logically and considering the meaning, it doesn't make sense that data can be used for the speed and the path directly. Data can be used only to ESTIMATE/GAUGE/CALCULATE the speed and path, the way data was used to ESTIMATE/GAUGE/CALCULATE structure and strength.

Hence, I would go ahead with my analysis 1 and answer choice C.

Senior Manager
Joined: 29 Dec 2017
Posts: 388
Location: United States
Concentration: Marketing, Technology
GMAT 1: 630 Q44 V33
GMAT 2: 690 Q47 V37
GMAT 3: 710 Q50 V37
GPA: 3.25
WE: Marketing (Telecommunications)
The data collected by weather airplanes that fly into the  [#permalink]

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09 Jul 2018, 07:30
1
Hi neelesh1508

I understand that there are some common words omitted, but I don't understand why there are no conjunctions here that are used to create contrast and make parallel constructions? (but, yet)

The data collected by weather airplanes that fly into the heart of a hurricane are useful mainly for gauging the storm’s structure and strength, but not [useful mainly for gauging] the speed and the path of its movement.
The data collected by weather airplanes that fly into the &nbs [#permalink] 09 Jul 2018, 07:30

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